1H-Isoindole-1,3(2H)-dione, 2-methyl-

• Formula: C₉H₇NO₂
• Molecular weight: 161.1574
• IUPAC Standard InChI: InChI=1S/C9H7NO2/c1-10-8(11)6-4-2-3-5-7(6)9(10)12/h2-5H,1H3 Copy

  
• IUPAC Standard InChIKey: ZXLYYQUMYFHCLQ-UHFFFAOYSA-N Copy
• CAS Registry Number: 550-44-7
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Phthalimide, N-methyl-; N-Methylphthalimide; Methylphthalimide
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• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
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Condensed phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of sublimation

Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Roux, Jimenez, et al., 1997
Roux, M.V.; Jimenez, P.; Martin-Luengo, M.A.; Davalos, J.Z.; Sun, Z.; Hosmane, R.S.; Liebman, J.F., The elusive antiaromaticity of Maleimides and maleic anhydride: Enthalpies of formation of N-methylmaleimide, N-methylsuccinimide, N-Methylphtalimide, and N-benzoyl-N-methylbenzamide, J. Org. Chem., 1997, 62, 2732-2737. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Distefano, Jones, et al., 1978
Distefano, G.; Jones, D.; Colonna, F.P.; Bigotto, A.; Galasso, V.; Pappalardo, G.C.; Scarlata, G., Evidence from the ultraviolet photoelectron and x-ray photoelectron spectra of phthalimide, quinolinimide, and their N-methyl derivatives regarding the prevailing tautomeric form of quinolinimide, J. Chem. Soc. Perkin Trans. 2, 1978, 441. [all data]

Notes

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• Symbols used in this document:
  

  Tboil	Boiling point
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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